Buried type anti-backflow drainage well

Abstract

The utility model discloses a concealed anti-backflow drainage well, and belongs to the technical field of drainage wells. Comprising a water well body, a well lid is installed at the top of the water well body, two flow dividing pipes communicate with the outer wall of the water well body, an anti-backflow device is installed in the water well body, the anti-backflow device comprises a first fixing ring, a plurality of sliding sleeves are embedded in the first fixing ring, and sliding rods are slidably connected into the sliding sleeves; the bottoms of the multiple sliding rods are connected with connecting blocks, the connecting blocks are connected with the same anti-backflow plate, and the tops of the sliding rods are connected with limiting plates. According to the anti-backflow device, when underground water begins to flow back, after backflow water makes contact with the anti-backflow plate, pressure is applied to the bottom of the anti-backflow plate, so that the anti-backflow plate moves upwards, the top of the anti-backflow plate is attached to the bottom of the first fixing ring, and therefore the anti-backflow plate and the first fixing ring form a sealing structure to block the backflow water; and underground water is prevented from flowing back to the road surface to influence passage under special conditions.

Description

TECHNICAL FIELD

[0001] The utility model belongs to drainage well technical field especially relates to a buried anti -backflow drainage well. BACKGROUND

[0002] Drainage well is the important component of drainage facility in city construction, is used for draining the rainwater and the accumulated water of road surface, and the drainage effect of drainage well can directly influence the road unobstructed of city.

[0003] The document of Chinese application No. 201220408681.1 discloses a buried drainage well, which comprises a well ring, a well cover, a concrete foundation, a well pipe, a pump pipe, a drainage pump and a main drainage pipe; wherein the well ring is located below the ground; the well cover is shielded on the top of the well ring and is flush with the ground; the concrete foundation is located on the bottom of the well ring; the well pipe extends vertically downward from the bottom of the concrete foundation; the pump pipe is connected with the well pipe and the main drainage pipe; the drainage pump is located at one end of the pump pipe and is accommodated in the well pipe, but in the actual use process, when the precipitation is too large or the drainage pipeline is accidentally blocked, the accumulated water on the road surface is difficult to drain smoothly, and the device has the situation that the underground water flows back and overflows the well mouth. UTILITY MODEL CONTENTS

[0004] The utility model discloses a buried anti -backflow drainage well.

[0005] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: a buried anti -backflow drainage well, including water well main part, the water well main part top installs the well cover, and water well main part outer wall is connected with two shunt pipes, the water well main part is installed with the anti -backflow device in, the anti -backflow device includes the first fixed ring, the first fixed ring is inlayed with a plurality of sliding sleeves, and the sliding sleeve is slidably connected with the slide bar in, and the plurality of slide bars bottom is connected with the link block, and the same anti -backflow board is connected between the plurality of link blocks, the slide bar top is connected with the limit board, and the slide bar outer wall is equipped with the first spring.

[0006] As the further description of the above technical scheme:

[0007] The first fixed ring outer wall is connected with the water well main part inner wall, and the first spring two ends are connected in the limit board bottom and the first fixed ring top respectively.

[0008] As the further description of the above technical scheme:

[0009] The anti -backflow board diameter is slightly larger than the first fixed ring inner diameter, and the anti -backflow board diameter is less than the first fixed ring outer diameter.

[0010] As the further description of the above technical scheme:

[0011] The water well main body inner wall is provided with a filter mounting and dismounting device, the filter mounting and dismounting device comprises a second fixed ring, the second fixed ring outer wall is connected with the water well main body inner wall, an installation groove is formed in the second fixed ring top, and a filter plate is mounted in the installation groove, and the filter plate top is connected with two handles.

[0012] As a further description of the above technical solution:

[0013] Two clamping grooves are formed in the installation groove inner wall, the clamping groove cross section is L-shaped, two fixed plates are connected with the filter plate outer wall, and the fixed plate outer wall is slidingly connected with the clamping groove inner wall.

[0014] As a further description of the above technical solution:

[0015] An inner groove is formed in the clamping groove inner wall bottom, a top block is slidingly connected in the inner groove, the top block bottom is connected with two sliding rods, two sliding grooves are formed in the inner groove bottom, the sliding rod outer wall is slidingly connected with the sliding groove inner wall, a second spring is sleeved on the sliding rod outer wall, the second spring two ends are connected with the top block bottom and the inner groove bottom respectively, and the top block top is attached with the fixed plate bottom.

[0016] As described above, due to the adoption of the above technical solution, the beneficial effects of the present utility model are:

[0017] 1、In the utility model, when the downhole water starts to flow backward, the anti-backflow plate is moved upward by pressing the bottom of the anti-backflow plate after the anti-backflow plate is contacted by the backward flow, so that the top of the anti-backflow plate is attached with the bottom of the first fixed ring, thereby forming a sealed structure of the anti-backflow plate and the first fixed ring to block the backward flow, avoiding the downhole water flowing back to the road surface under special circumstances to affect the traffic.

[0018] 2、In the utility model, the filter mounting and dismounting device is provided, the handle is rotated to drive the filter plate to rotate, thereby driving the two fixed plates on both sides to rotate in the clamping groove, so that the fixed plate is moved to one side of the clamping groove, the clamping groove loses the fixing effect on the fixed plate, then the handle is pulled upward to drive the filter plate to move upward, thereby cleaning and replacing the filter plate, avoiding the limitation of cleaning in the downhole. ACCURACY

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is an explosion decomposition structure schematic diagram of the utility model;

[0021] Figure 3The utility model provides a kind of anti-backflow device structure schematic diagram of buried type anti-backflow drainage well is proposed;

[0022] Figure 4 The utility model provides a kind of filter installation and dismounting device structure schematic diagram of buried type anti-backflow drainage well is proposed;

[0023] Figure 5 The utility model provides a kind of buried type anti-backflow drainage well of Figure 4 Part A of amplification structure schematic diagram.

[0024] Legend: 1, well lid;2, well body;3, shunt pipe;4, anti-backflow device;401, first fixed ring;402, limit plate;403, sliding rod;404, first spring;405, connecting block;406, anti-backflow plate;5, filter installation and dismounting device;501, second fixed ring;502, installation groove;503, fixed plate;504, filter plate;505, clamping groove;506, built-in groove;507, sliding groove;508, second spring;509, sliding rod;510, top block;511, handle. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figure 1 - Figure 5 The utility model provides a kind of technical schemes:a kind of buried type anti-backflow drainage well, including well body 2, well lid 1 is installed at the top of well body 2, and two shunt pipes 3 are communicated in the outer wall of well body 2, anti-backflow device 4 is installed in well body 2, and anti-backflow device 4 includes first fixed ring 401, first fixed ring 401 is inlaid with multiple sliding sleeves, and sliding sleeve is slidably connected with sliding rod 403, and the bottom of multiple sliding rods 403 is connected with connecting block 405, and multiple connecting blocks 405 are connected with same anti-backflow plate 406 between, the top of sliding rod 403 is connected with limit plate 402, and first spring 404 is sleeved on the outer wall of sliding rod 403, the inner wall of first fixed ring 401 is connected with well body 2, the bottom of limit plate 402 and the top of first fixed ring 401 are connected respectively at both ends of first spring 404, the diameter of anti-backflow plate 406 is slightly greater than the inner diameter of first fixed ring 401, and the diameter of anti-backflow plate 406 is less than the outer diameter of first fixed ring 401.

[0027] The specific embodiment is characterized in that the anti-backflow device 4 is arranged, when the downhole water starts to backflow, the anti-backflow plate 406 is pressed by the backflow water at the bottom of the anti-backflow plate 406, the anti-backflow plate 406 is moved upward, the slide rod 403 is arranged to support the anti-backflow plate 406, the anti-backflow plate 406 is prevented from being deviated when being moved, and the normal operation of the device is affected, then the top of the anti-backflow plate 406 is attached to the bottom of the first fixed ring 401, so that the anti-backflow plate 406 and the first fixed ring 401 form a sealed structure to block the backflow water, the downhole water is prevented from flowing to the road surface in a special case to affect the traffic, the first spring 404 is arranged, the anti-backflow plate 406 is attached to the first fixed ring 401 by the elastic force of the first spring 404 in normal use, and the harmful gas in the downhole is prevented from floating up to affect the safety of pedestrians.

[0028] The inner wall of the water well main body 2 is provided with a filter mounting and dismounting device 5, the filter mounting and dismounting device 5 comprises a second fixed ring 501, the outer wall of the second fixed ring 501 is connected with the inner wall of the water well main body 2, an installation groove 502 is arranged at the top of the second fixed ring 501, a filter plate 504 is mounted in the installation groove 502, two handles 511 are connected with the top of the filter plate 504, two clamping grooves 505 are arranged in the inner wall of the installation groove 502, the cross section of the clamping groove 505 is L-shaped, two fixed plates 503 are connected with the outer wall of the filter plate 504, the outer wall of the fixed plate 503 is slidably connected with the inner wall of the clamping groove 505, an embedded groove 506 is arranged at the bottom of the inner wall of the clamping groove 505, a top block 510 is slidably connected in the embedded groove 506, two sliding rods 509 are connected with the bottom of the top block 510, two sliding grooves 507 are arranged at the bottom of the embedded groove 506, the outer wall of the sliding rod 509 is slidably connected with the inner wall of the sliding groove 507, a second spring 508 is arranged on the outer wall of the sliding rod 509, the two ends of the second spring 508 are connected with the bottom of the top block 510 and the bottom of the embedded groove 506 respectively, and the top of the top block 510 is attached to the bottom of the fixed plate 503.

[0029] Specifically, by setting the filter dismounting device 5, rotating the handle 511, driving the filter plate 504 to rotate, driving the fixed plates 503 on both sides to rotate in the clamping groove 505, moving the fixed plates 503 to one side of the clamping groove 505, making the clamping groove 505 lose the fixing effect on the fixed plates 503, then pulling the handle 511 upwards, driving the filter plate 504 to move upwards, and then cleaning and replacing the filter plate 504, the cleanliness of the filter plate 504 is improved, the top block 510 is provided, the top block 510 has an upward thrust on the fixed plates 503 through the elasticity of the second spring 508, and the top block 510 has a certain fixing effect on the filter plate 504, so that the filter plate 504 is prevented from rotating or floating upwards during the filtering process and affecting the normal filtering of the filter plate 504, and the second spring 508 is supported by the sliding rod 509, so that the second spring 508 is prevented from bending when being compressed and affecting the rebound effect.

[0030] Working principle: when the water in the well flows reversely, the anti-backflow plate 406 is moved upwards by the reverse flow water, the anti-backflow plate 406 is in close contact with the bottom of the first fixed ring 401, the first fixed ring 401 and the anti-backflow plate 406 form a seal, the reverse flow water is prevented from flowing to the road surface and affecting the normal traffic of vehicles, after a long time of use, the handle 511 is rotated, the filter plate 504 is driven to rotate, the fixed plate 503 is driven to rotate, the fixed plate 503 is moved to one side of the clamping groove 505, the clamping groove 505 loses the fixing effect on the fixed plate 503, then the handle 511 is pulled upwards, the filter plate 504 is taken out, and the filter plate 504 is cleaned, so that the filter plate 504 is cleaned more neatly, and the cleaning is not in place in a small environment.

[0031] In the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "a plurality of" means two or more, unless otherwise explicitly limited. The terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, can also be detachable connection, or integral connection; "connecting" can be direct connection, or indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances;

[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A concealed anti-backflow drainage well, comprising a well body (2), characterized in that: A well cover (1) is installed on the top of the water well body (2), and two diversion pipes (3) are connected to the outer wall of the water well body (2). An anti-backflow device (4) is installed in the water well body (2), and the anti-backflow device (4) comprises a first fixed ring (401), a plurality of sliding sleeves are embedded in the first fixed ring (401), and a sliding rod (403) is slidably connected in the sliding sleeve, and the bottoms of the plurality of sliding rods (403) are all connected to a connecting block (405), and the plurality of connecting blocks (405) are connected to the same anti-backflow plate (406), the top of the sliding rod (403) is connected to a limiting plate (402), and the outer wall of the sliding rod (403) is sleeved with a first spring (404).

2. A concealed anti-backflow drainage well according to claim 1, characterized in that: The outer wall of the first fixing ring (401) is connected to the inner wall of the water well body (2), and the two ends of the first spring (404) are respectively connected to the bottom of the limiting plate (402) and the top of the first fixing ring (401).

3. The buried anti-backflow drainage well according to claim 1, characterized in that: The diameter of the backflow prevention plate (406) is slightly larger than the inner diameter of the first fixing ring (401), and the diameter of the backflow prevention plate (406) is smaller than the outer diameter of the first fixing ring (401).

4. The buried anti-backflow drainage well according to claim 1, characterized in that: A filter installation and removal device (5) is installed on the inner wall of the water well body (2), and the filter installation and removal device (5) comprises a second fixing ring (501), the outer wall of the second fixing ring (501) is connected to the inner wall of the water well body (2), and a mounting groove (502) is provided on the top of the second fixing ring (501), a filter plate (504) is installed in the mounting groove (502), and two handles (511) are connected to the top of the filter plate (504).

5. The buried anti-backflow drainage well according to claim 4, characterized in that: The inner wall of the installation groove (502) is provided with two clamping grooves (505), and the cross section of the clamping groove (505) is L-shaped. The outer wall of the filter plate (504) is connected to two fixing plates (503), and the outer wall of the fixing plate (503) is slidably connected to the inner wall of the clamping groove (505).

6. The buried anti-backflow drainage well according to claim 5, characterized in that: A built-in groove (506) is provided at the bottom of the inner wall of the snap-fit ​​groove (505), a top block (510) is slidably connected in the built-in groove (506), two sliding rods (509) are connected to the bottom of the top block (510), and two sliding grooves (507) are provided at the bottom of the built-in groove (506), the outer wall of the sliding rod (509) is slidably connected to the inner wall of the sliding groove (507), and a second spring (508) is sleeved on the outer wall of the sliding rod (509), the two ends of the second spring (508) are respectively connected to the bottom of the top block (510) and the bottom of the built-in groove (506), and the top of the top block (510) is in contact with the bottom of the fixed plate (503).

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